Nano-optics.ch - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
77% 
Page structure
77% 
Link structure
80% 
Server
92% 
External factors
60% 
SEO Score
Response time
0.55 s
File size
48.70 kB
Words
719
Media files
14
Number of links
33 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Laboratoire internationale spécialisé les verres optiques - nano-optics
The page title should be shorter than 580 pixels. It is 622 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Nous sommes une entreprise technologique de premier plan à l’échelle international opérant dans le domaine des verres optiques.
The length of the meta description is perfect. (804 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://nano-optics.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: fr
Language defined in HTML: fr-fr
Server location: United States of America
The following language is defined by HTML: fr-fr
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionNous sommes une entreprise technologique de premier plan à l’échelle international opérant dans le domaine des verres optiques.
robotsindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1
generatorWordPress 5.5.15
article:modified_time2022-08-08T09:07:05+00:00
langfr-fr
twitter:cardsummary_large_image
twitter:label1Durée de lecture est.
twitter:data13 minutes
og:localefr_FR
og:typewebsite
og:titleLaboratoire internationale spécialisé les verres optiques - nano-optics
og:descriptionNous sommes une entreprise technologique de premier plan à l’échelle international opérant dans le domaine des verres optiques.
og:urlhttps://nano-optics.ch/
og:site_namenano-optics
og:imagehttps://nano-optics.ch/wp-content/uploads/2020/04/cropped-eyeglasses-679696_1920.jpg
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 719 words. That's ok.
27% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
17 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.6 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 14 tags for this page.
Image SEO
(Somewhat important)
13 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...20/04/cropped-eyeglasses-679696_1920.jpgNo alt attribute providedcropped-eyeglasses-679696_1920.jpg
...0/04/cropped-eyeglasses-4661418_1920.jpgNo alt attribute providedcropped-eyeglasses-4661418_1920.jpg
...20/04/cropped-eye-check-5091177_1920.jpgNo alt attribute providedcropped-eye-check-5091177_1920.jpg
...0/04/cropped-eyeglasses-5020207_1920.jpgNo alt attribute providedcropped-eyeglasses-5020207_1920.jpg
...20/04/cropped-eyeball-2473099_1920-1.jpgNo alt attribute providedcropped-eyeball-2473099_1920-1.jpg
.../04/cropped-eye-check-5091178_1920-1.jpgNo alt attribute providedcropped-eye-check-5091178_1920-1.jpg
...-cagle-wKOKidNT14w-unsplash-scaled-1.jpgNo alt attribute providedcropped-brooke-cagle-wKOKidNT14w-unsplash-scaled-1.jpg
...ohnson-OK7VpKfbb_c-unsplash-scaled-1.jpgNo alt attribute providedcropped-hunter-johnson-OK7VpKfbb_c-unsplash-scaled-1.jpg
...hays-agGIKYs4mYs-unsplash-1-scaled-1.jpgNo alt attribute providedcropped-drew-hays-agGIKYs4mYs-unsplash-1-scaled-1.jpg
...jorn-fvInY-Gh7sc-unsplash-1-1024x683.jpgNo alt attribute provided
...jorn-fvInY-Gh7sc-unsplash-1-1024x683.jpgNo alt attribute provided
...0/12/smartphone-381237_1920-1024x683.jpgNo alt attribute provided
...tent/uploads/2022/08/Logo-rodalight2.pngRodalightLogo rodalight
.../uploads/2020/11/cropped-logo-fillee.pngNo alt attribute providedcropped-logo-fillee.png

Page structure

H1 heading
(Critically important)
Laboratoire internationale spécialisé les verres optiques
The H1 heading is perfect.
Headings
(Important)
There are 34 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Laboratoire internationale spécialisé les verres optiques
H2 L’histoire de Nano-optics
H2 NANO OPTICS
H2 Les secrets de nos verres !
H2 Témoignages client
H2 Quelques chiffres !
H2 Besoin d’un fournisseur ? N’hésitez plus !
H2 BLOG
H2 Contact us
H2 Nos partenaires
H2 nano-optics
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Comment les nouveaux traitements optiques révolutionnent la protection de vos yeux ?
H3 LES LUNETTES PEUVENT-ELLES CAUSER DES CERNES?
H3 LA LUMIÈRE BLEUE EST-ELLE MAUVAISE POUR VOUS ?
H4 Fabrication Suisse
H4 Production de verre
H4 R&D
H4 Pathologies visuelles
H4 Services personalisés
H4 Problèmes visuels
H4 Précision irréprochable
H4 Navigation
H5 À propos de notre laboratoire
H5 NANO-OPTICS
H5 Efficacité
H5 Confort
H5 Nos experts
H5 Vision optimale
H5 Nombre de verres
H5 nombre de clients
H5 nombre de certifications
H6 Martin
H6 Ralph
H6 Steven
Some anchor texts are used more than once.
3 links don't have an anchor text.
There are 3 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://nano-optics.ch/Anchor Skip to content
https://nano-optics.ch/nano-optics
https://nano-optics.ch/Accueil
https://nano-optics.ch/Anchor Notre histoire
https://nano-optics.ch/Anchor Services
https://nano-optics.ch/Anchor SAVOIR-FAIRE
https://nano-optics.ch/blogBLOG
https://nano-optics.ch/Anchor CONTACT
https://nano-optics.ch/Text duplicate nano-optics
https://nano-optics.ch/Text duplicate Accueil
https://nano-optics.ch/Anchor Text duplicate Notre histoire
https://nano-optics.ch/Anchor Text duplicate Services
https://nano-optics.ch/Anchor Text duplicate SAVOIR-FAIRE
https://nano-optics.ch/blogText duplicate BLOG
https://nano-optics.ch/Anchor Text duplicate CONTACT
https://nano-optics.ch/Anchor Text duplicate Services
https://nano-optics.ch/Anchor Contact
https://nano-optics.ch/Anchor Text duplicate Contact
https://nano-optics.ch/Anchor Contactez nous
/comment-les-nouveaux-traiteme...No Text
/comment-les-nouveaux-traiteme...Comment les nouveaux traitements optiques révolutionnent la protection de vos yeux ?
/comment-les-nouveaux-traiteme...Trivial anchor text
Read more
/les-lunettes-peuvent-elles-ca...No Text
/les-lunettes-peuvent-elles-ca...LES LUNETTES PEUVENT-ELLES CAUSER DES CERNES?
/les-lunettes-peuvent-elles-ca...Text duplicate Trivial anchor text
Read more
/lumiere-bleue/No Text
/lumiere-bleue/LA LUMIÈRE BLEUE EST-ELLE MAUVAISE POUR VOUS ?
/lumiere-bleue/Text duplicate Trivial anchor text
Read more
https://nano-optics.ch/blog/VOIR TOUS LES POSTS
https://rodalight.be/New window External IMG-ALT Rodalight
https://www.fillee.be/External Subdomain No Text
https://nano-optics.ch/cgu/CGU
/condition-generale-de-vente/Condition Générale De Vente
https://nano-optics.ch/Laboratoire internationale spécialisé les verres optiques
https://nano-optics.ch/blog/Le blog conseils pour verres optiques !

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.55 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (49 kB).

HTTP Response Header

NameValue
dateFri, 11 Oct 2024 03:41:20 GMT
serverApache
link<https://nano-optics.ch/wp-json/>; rel="https://api.w.org/"
content-encodinggzip
varyAccept-Encoding
strict-transport-securitymax-age=16000000
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 20 referring domains.
This page only has 59 backlinks.
This page only has few backlinks from 19 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Crawl-delay: 10

Similar sites

Search preview

nano-optics.ch
Laboratoire internationale spécialisé les verres optiques - nano-op...
Nous sommes une entreprise technologique de premier plan à l’échelle international opérant dans le domaine des verres optiques.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
verres optiques77%Check
verres76%Check
optiques76%Check
international73%Check
nano-optics66%Check
Nano66%Check
optics66%Check
Laboratoire66%Check
Nano optics65%Check
de verres65%Check
Show more keywords and terms

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